Nasal diffuser



FIG. 1 is a rear right side perspective view of a nasal diffuser;

FIG. 2 is a right side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side perspective view thereof;

FIG. 6 is front left side perspective view thereof; and,

FIG. 7 is a top view thereof.

The dot-dash-dot broken lines illustrate the bounds of the claim and thedash-dash broken lines illustrate environmental subject matter; allbroken lines form no part of the claimed design.

CLAIM The ornamental design for a nasal diffuser, as shown anddescribed.